C-Firma Fresh Day Serum — Reddit Reviews
Updated August 1, 2026
Uses 15% L-ascorbic acid + ferulic acid for proven antioxidant power
What the community says
Brightening antioxidant serum with 15% L-ascorbic acid + ferulic acid offers a radiant glow and mild anti-aging benefits, but community opinions on efficacy and skin sensitivity vary.
What this means for you
What people love
- Uses 15% L-ascorbic acid + ferulic acid for proven antioxidant power
- Complaints about packaging issues common with vitamin C serums are less frequent thanks to the airless pump
- Often praised for the dewy, glowy finish that layers well under sunscreen and makeup
Watch out for
- Questionable efficacy—some users report minimal visible results despite regular use
- Can cause sensitivity or irritation, especially if layered with other acids or strong actives
- Pricey compared to similar vitamin C serums that may deliver more noticeable improvements
Product details
Values
Key Ingredients
Skin type data limited
Where to buy
Real Reddit threads
5 threads from r/30PlusSkinCare, r/AsianBeauty +2 more
“AM: Gua sha, Klairs Hydrating Facial Toner, Drunk Elephant C-firma”
Positive
“Since then I have added: ... Drunk Elephant C-firma”
Positive
“I found the Before... surprised at the improvement... Since then I have added: ... Drunk Elephant C-firma”
Positive
“currently using a combination of LAA and SAP on alternate days (Drunk Elephant C-Firma for LAA/ferulic”
Positive
“My skin loves SAP daily but LAA is stronger”
Positive
“the combo is working nicely”
Positive
“I love Drunk Elephant, I've tried others but always come back to this one.”
Positive
“I've tried others but always come back to this one.”
Positive
“I love Drunk Elephant”
Positive
“Lactic acid and vitamin C does this for me.”
Positive
“the Drunk Elephant C-Firma vitamin C in the morning.”
Positive
“I like Good Genes at night”
Positive
“Prior to the Tru Skin I was using Skincueticals (which I liked, but had the same issues even using the tiny sample bottles) and the Drunk Elephant vit c (didnt have the same level of issues because airless pump bottle/pouch wrapped in opaque plastic) but the DE C Firma didn't do a whole lot for me.”
Mentioned
“Western brands even when they have good formulations have trash packaging that don't really protect their product.”
Mentioned
“So alllllll the Western brands that insist on packaging vitamin c in brown eyedropper bottles are asking you to light your money on fire after you get a good two weeks use out of them.”
Mentioned
